Unrated severityNVD Advisory· Published Nov 5, 2021· Updated Apr 23, 2025
Meross MSS550X Missing Encryption of Sensitive Data
CVE-2021-3774
Description
Meross Smart Wi-Fi 2 Way Wall Switch (MSS550X), on its 3.1.3 version and before, creates an open Wi-Fi Access Point without the required security measures in its initial setup. This could allow a remote attacker to obtain the Wi-Fi SSID as well as the password configured by the user from Meross app via Http/JSON plain request.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Meross/Meross Smart Wi-Fi 2 Way Wall Switchv5Range: 0
Patches
Vulnerability mechanics
References
1- www.incibe.es/en/incibe-cert/notices/aviso/meross-mss550x-missing-encryption-sensitive-datamitrex_refsource_CONFIRM
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